package chapter04.Example21;

class Outer{
    int m = 0;
    void test1(){
        System.out.println("外部类成员方法");
    }
    void test2(){
        class Inner{
            int n = 1;
            void show(){
                System.out.println("外部成员变量m = "+m);
                test1();
            }
        }
        Inner inner = new Inner();
        System.out.println("内部类成员变量n = "+inner.n);
        inner.show();
    }
}

public class Example21 {
    public static void main(String[] args) {
        Outer outer = new Outer();
        outer.test2();
    }
}
